mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
1487 lines
61 KiB
C#
1487 lines
61 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Read.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Disc image plugins.
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Reads Alcohol 120% disc images.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2021 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using Aaru.CommonTypes;
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using Aaru.CommonTypes.Enums;
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using Aaru.CommonTypes.Exceptions;
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using Aaru.CommonTypes.Interfaces;
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using Aaru.Console;
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using Aaru.Decoders.CD;
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using Aaru.Decoders.DVD;
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using Aaru.Helpers;
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using DMI = Aaru.Decoders.Xbox.DMI;
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namespace Aaru.DiscImages
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{
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public sealed partial class Alcohol120
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{
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public bool Open(IFilter imageFilter)
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{
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Stream stream = imageFilter.GetDataForkStream();
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stream.Seek(0, SeekOrigin.Begin);
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if(stream.Length < 88)
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return false;
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_isDvd = false;
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byte[] hdr = new byte[88];
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stream.Read(hdr, 0, 88);
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_header = Marshal.ByteArrayToStructureLittleEndian<Header>(hdr);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "header.signature = {0}",
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Encoding.ASCII.GetString(_header.signature));
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "header.version = {0}.{1}", _header.version[0],
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_header.version[1]);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "header.type = {0}", _header.type);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "header.sessions = {0}", _header.sessions);
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for(int i = 0; i < _header.unknown1.Length; i++)
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "header.unknown1[{1}] = 0x{0:X4}",
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_header.unknown1[i], i);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "header.bcaLength = {0}", _header.bcaLength);
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for(int i = 0; i < _header.unknown2.Length; i++)
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "header.unknown2[{1}] = 0x{0:X8}",
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_header.unknown2[i], i);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "header.bcaOffset = {0}", _header.bcaOffset);
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for(int i = 0; i < _header.unknown3.Length; i++)
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "header.unknown3[{1}] = 0x{0:X8}",
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_header.unknown3[i], i);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "header.structuresOffset = {0}",
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_header.structuresOffset);
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for(int i = 0; i < _header.unknown4.Length; i++)
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "header.unknown4[{1}] = 0x{0:X8}",
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_header.unknown4[i], i);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "header.sessionOffset = {0}", _header.sessionOffset);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "header.dpmOffset = {0}", _header.dpmOffset);
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if(_header.version[0] > _maximumSupportedVersion)
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return false;
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stream.Seek(_header.sessionOffset, SeekOrigin.Begin);
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_alcSessions = new Dictionary<int, Session>();
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for(int i = 0; i < _header.sessions; i++)
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{
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byte[] sesHdr = new byte[24];
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stream.Read(sesHdr, 0, 24);
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Session session = Marshal.SpanToStructureLittleEndian<Session>(sesHdr);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{1}].sessionStart = {0}",
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session.sessionStart, i);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{1}].sessionEnd = {0}", session.sessionEnd,
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i);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{1}].sessionSequence = {0}",
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session.sessionSequence, i);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{1}].allBlocks = {0}", session.allBlocks, i);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{1}].nonTrackBlocks = {0}",
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session.nonTrackBlocks, i);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{1}].firstTrack = {0}", session.firstTrack,
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i);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{1}].lastTrack = {0}", session.lastTrack, i);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{1}].unknown = 0x{0:X8}", session.unknown,
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i);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{1}].trackOffset = {0}", session.trackOffset,
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i);
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_alcSessions.Add(session.sessionSequence, session);
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}
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long footerOff = 0;
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bool oldIncorrectImage = false;
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_alcTracks = new Dictionary<int, Track>();
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_alcToc = new Dictionary<int, Dictionary<int, Track>>();
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foreach(Session session in _alcSessions.Values)
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{
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stream.Seek(session.trackOffset, SeekOrigin.Begin);
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Dictionary<int, Track> sesToc = new Dictionary<int, Track>();
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for(int i = 0; i < session.allBlocks; i++)
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{
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byte[] trkHdr = new byte[80];
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stream.Read(trkHdr, 0, 80);
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Track track = Marshal.ByteArrayToStructureLittleEndian<Track>(trkHdr);
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if(track.mode == TrackMode.Mode2F1Alt ||
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track.mode == TrackMode.Mode2F1Alt)
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oldIncorrectImage = true;
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// Solve our own mistake here, sorry, but anyway seems Alcohol doesn't support DDCD
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if(track.zero > 0 &&
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track.point >= 1 &&
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track.point <= 99)
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{
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track.pmin += (byte)(track.zero * 60);
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track.zero = 0;
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oldIncorrectImage = true;
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}
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].mode = {0}", track.mode,
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track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].subMode = {0}",
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track.subMode, track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].adrCtl = {0}",
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track.adrCtl, track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].tno = {0}", track.tno,
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track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].point = {0:X2}",
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track.point, track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].min = {0}", track.min,
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track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].sec = {0}", track.sec,
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track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].frame = {0}",
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track.frame, track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].zero = {0}", track.zero,
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track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].pmin = {0}", track.pmin,
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track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].psec = {0}", track.psec,
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track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].pframe = {0}",
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track.pframe, track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].extraOffset = {0}",
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track.extraOffset, track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].sectorSize = {0}",
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track.sectorSize, track.point, session.sessionSequence);
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//for(int j = 0; j < track.unknown.Length; j++)
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// AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].unknown[{2}] = {0}", track.unknown[j], i, j, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].startLba = {0}",
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track.startLba, track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].startOffset = {0}",
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track.startOffset, track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].files = {0}",
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track.files, track.point, session.sessionSequence);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].footerOffset = {0}",
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track.footerOffset, track.point, session.sessionSequence);
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//for(int j = 0; j < track.unknown2.Length; j++)
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// AaruConsole.DebugWriteLine("Alcohol 120% plugin", "session[{2}].track[{1}].unknown2[{2}] = {0}", track.unknown2[j], i, j, session.sessionSequence);
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if(track.subMode == SubchannelMode.Interleaved)
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track.sectorSize -= 96;
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if(track.point == 1 &&
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track.startLba > 0)
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{
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AaruConsole.
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ErrorWriteLine("The disc this image represents contained a hidden track in the first pregap, that this image format cannot store. This dump is therefore, incorrect.");
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track.startLba = 0;
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}
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if(!sesToc.ContainsKey(track.point))
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sesToc.Add(track.point, track);
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if(track.point < 0xA0)
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_alcTracks.Add(track.point, track);
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if(footerOff == 0)
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footerOff = track.footerOffset;
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_isDvd |= track.mode == TrackMode.DVD;
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}
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_alcToc.Add(session.sessionSequence, sesToc);
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}
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_alcTrackExtras = new Dictionary<int, TrackExtra>();
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foreach(Track track in _alcTracks.Values)
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if(track.extraOffset > 0 &&
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!_isDvd)
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{
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byte[] extHdr = new byte[8];
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stream.Seek(track.extraOffset, SeekOrigin.Begin);
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stream.Read(extHdr, 0, 8);
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TrackExtra extra = Marshal.SpanToStructureLittleEndian<TrackExtra>(extHdr);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "track[{1}].extra.pregap = {0}", extra.pregap,
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track.point);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "track[{1}].extra.sectors = {0}", extra.sectors,
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track.point);
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if(track.point == 1)
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extra.sectors += extra.pregap - 150;
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_alcTrackExtras.Add(track.point, extra);
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}
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else if(_isDvd)
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{
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var extra = new TrackExtra
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{
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sectors = track.extraOffset
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};
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_alcTrackExtras.Add(track.point, extra);
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}
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if(footerOff > 0)
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{
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byte[] footer = new byte[16];
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stream.Seek(footerOff, SeekOrigin.Begin);
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stream.Read(footer, 0, 16);
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_alcFooter = Marshal.SpanToStructureLittleEndian<Footer>(footer);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "footer.filenameOffset = {0}",
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_alcFooter.filenameOffset);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "footer.widechar = {0}", _alcFooter.widechar);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "footer.unknown1 = 0x{0:X8}", _alcFooter.unknown1);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "footer.unknown2 = 0x{0:X8}", _alcFooter.unknown2);
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}
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string alcFile = "*.mdf";
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if(_alcFooter.filenameOffset > 0)
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{
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stream.Seek(_alcFooter.filenameOffset, SeekOrigin.Begin);
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byte[] filename = _header.dpmOffset == 0 ? new byte[stream.Length - stream.Position]
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: new byte[_header.dpmOffset - stream.Position];
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stream.Read(filename, 0, filename.Length);
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alcFile = _alcFooter.widechar == 1 ? Encoding.Unicode.GetString(filename)
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: Encoding.Default.GetString(filename);
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AaruConsole.DebugWriteLine("Alcohol 120% plugin", "footer.filename = {0}", alcFile);
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}
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if(_alcFooter.filenameOffset == 0 ||
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string.Compare(alcFile, "*.mdf", StringComparison.InvariantCultureIgnoreCase) == 0)
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alcFile = Path.GetFileNameWithoutExtension(imageFilter.GetBasePath()) + ".mdf";
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if(_header.bcaLength > 0 &&
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_header.bcaOffset > 0 &&
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_isDvd)
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{
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_bca = new byte[_header.bcaLength];
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stream.Seek(_header.bcaOffset, SeekOrigin.Begin);
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int readBytes = stream.Read(_bca, 0, _bca.Length);
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if(readBytes == _bca.Length)
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switch(_header.type)
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{
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case MediumType.DVD:
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case MediumType.DVDR:
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_imageInfo.ReadableMediaTags.Add(MediaTagType.DVD_BCA);
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break;
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}
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}
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_imageInfo.MediaType = MediumTypeToMediaType(_header.type);
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Sessions = new List<CommonTypes.Structs.Session>();
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foreach(Session alcSes in _alcSessions.Values)
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{
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var session = new CommonTypes.Structs.Session();
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if(!_alcTracks.TryGetValue(alcSes.firstTrack, out Track startingTrack))
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break;
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if(!_alcTracks.TryGetValue(alcSes.lastTrack, out Track endingTrack))
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break;
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if(!_alcTrackExtras.TryGetValue(alcSes.lastTrack, out TrackExtra endingTrackExtra))
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break;
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session.StartSector = startingTrack.startLba;
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session.StartTrack = alcSes.firstTrack;
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session.SessionSequence = alcSes.sessionSequence;
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session.EndSector = endingTrack.startLba + endingTrackExtra.sectors - 1;
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session.EndTrack = alcSes.lastTrack;
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Sessions.Add(session);
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if(session.EndSector > _imageInfo.Sectors)
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_imageInfo.Sectors = session.EndSector + 1;
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}
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if(_isDvd)
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{
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// TODO: Second layer
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if(_header.structuresOffset > 0)
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{
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byte[] structures = new byte[4100];
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stream.Seek(_header.structuresOffset, SeekOrigin.Begin);
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stream.Read(structures, 0, 4100);
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_dmi = new byte[2052];
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_pfi = new byte[2052];
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// TODO: CMI
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Array.Copy(structures, 4, _dmi, 4, 2048);
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Array.Copy(structures, 0x804, _pfi, 4, 2048);
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_pfi[0] = 0x08;
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_pfi[1] = 0x02;
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_dmi[0] = 0x08;
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_dmi[1] = 0x02;
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PFI.PhysicalFormatInformation? pfi0 = PFI.Decode(_pfi, _imageInfo.MediaType);
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// All discs I tested the disk category and part version (as well as the start PSN for DVD-RAM) where modified by Alcohol
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// So much for archival value
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if(pfi0.HasValue)
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{
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switch(pfi0.Value.DiskCategory)
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{
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case DiskCategory.DVDPR:
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_imageInfo.MediaType = MediaType.DVDPR;
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break;
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case DiskCategory.DVDPRDL:
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_imageInfo.MediaType = MediaType.DVDPRDL;
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break;
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case DiskCategory.DVDPRW:
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_imageInfo.MediaType = MediaType.DVDPRW;
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break;
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case DiskCategory.DVDPRWDL:
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_imageInfo.MediaType = MediaType.DVDPRWDL;
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break;
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case DiskCategory.DVDR:
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_imageInfo.MediaType = pfi0.Value.PartVersion >= 6 ? MediaType.DVDRDL : MediaType.DVDR;
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break;
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case DiskCategory.DVDRAM:
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_imageInfo.MediaType = MediaType.DVDRAM;
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break;
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default:
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_imageInfo.MediaType = MediaType.DVDROM;
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break;
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case DiskCategory.DVDRW:
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_imageInfo.MediaType =
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pfi0.Value.PartVersion >= 15 ? MediaType.DVDRWDL : MediaType.DVDRW;
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break;
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case DiskCategory.HDDVDR:
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_imageInfo.MediaType = MediaType.HDDVDR;
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break;
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case DiskCategory.HDDVDRAM:
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_imageInfo.MediaType = MediaType.HDDVDRAM;
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break;
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case DiskCategory.HDDVDROM:
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_imageInfo.MediaType = MediaType.HDDVDROM;
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break;
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case DiskCategory.HDDVDRW:
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_imageInfo.MediaType = MediaType.HDDVDRW;
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break;
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case DiskCategory.Nintendo:
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_imageInfo.MediaType =
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pfi0.Value.DiscSize == DVDSize.Eighty ? MediaType.GOD : MediaType.WOD;
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break;
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case DiskCategory.UMD:
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_imageInfo.MediaType = MediaType.UMD;
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break;
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}
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if(DMI.IsXbox(_dmi))
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_imageInfo.MediaType = MediaType.XGD;
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else if(DMI.IsXbox360(_dmi))
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_imageInfo.MediaType = MediaType.XGD2;
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byte[] tmp = new byte[2048];
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Array.Copy(_dmi, 4, tmp, 0, 2048);
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_dmi = tmp;
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tmp = new byte[2048];
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Array.Copy(_pfi, 4, tmp, 0, 2048);
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_pfi = tmp;
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_imageInfo.ReadableMediaTags.Add(MediaTagType.DVD_PFI);
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_imageInfo.ReadableMediaTags.Add(MediaTagType.DVD_DMI);
|
|
}
|
|
}
|
|
}
|
|
else if(_header.type == MediumType.CD)
|
|
{
|
|
bool data = false;
|
|
bool mode2 = false;
|
|
bool firstAudio = false;
|
|
bool firstData = false;
|
|
bool audio = false;
|
|
|
|
foreach(Track alcoholTrack in _alcTracks.Values)
|
|
{
|
|
// First track is audio
|
|
firstAudio |= alcoholTrack.point == 1 && alcoholTrack.mode == TrackMode.Audio;
|
|
|
|
// First track is data
|
|
firstData |= alcoholTrack.point == 1 && alcoholTrack.mode != TrackMode.Audio;
|
|
|
|
// Any non first track is data
|
|
data |= alcoholTrack.point != 1 && alcoholTrack.mode != TrackMode.Audio;
|
|
|
|
// Any non first track is audio
|
|
audio |= alcoholTrack.point != 1 && alcoholTrack.mode == TrackMode.Audio;
|
|
|
|
switch(alcoholTrack.mode)
|
|
{
|
|
case TrackMode.Mode2:
|
|
case TrackMode.Mode2F1:
|
|
case TrackMode.Mode2F2:
|
|
case TrackMode.Mode2F1Alt:
|
|
case TrackMode.Mode2F2Alt:
|
|
mode2 = true;
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(!data &&
|
|
!firstData)
|
|
_imageInfo.MediaType = MediaType.CDDA;
|
|
else if(firstAudio &&
|
|
data &&
|
|
Sessions.Count > 1 &&
|
|
mode2)
|
|
_imageInfo.MediaType = MediaType.CDPLUS;
|
|
else if((firstData && audio) || mode2)
|
|
_imageInfo.MediaType = MediaType.CDROMXA;
|
|
else if(!audio)
|
|
_imageInfo.MediaType = MediaType.CDROM;
|
|
else
|
|
_imageInfo.MediaType = MediaType.CD;
|
|
}
|
|
|
|
AaruConsole.DebugWriteLine("Alcohol 120% plugin", "ImageInfo.mediaType = {0}", _imageInfo.MediaType);
|
|
|
|
Partitions = new List<Partition>();
|
|
_offsetMap = new Dictionary<uint, ulong>();
|
|
ulong byteOffset = 0;
|
|
|
|
foreach(Track trk in _alcTracks.Values)
|
|
{
|
|
if(_alcTrackExtras.TryGetValue(trk.point, out TrackExtra extra))
|
|
{
|
|
var partition = new Partition
|
|
{
|
|
Description = $"Track {trk.point}.",
|
|
Start = trk.startLba,
|
|
Size = extra.sectors * trk.sectorSize,
|
|
Length = extra.sectors,
|
|
Sequence = trk.point,
|
|
Offset = byteOffset,
|
|
Type = trk.mode.ToString()
|
|
};
|
|
|
|
Partitions.Add(partition);
|
|
byteOffset += partition.Size;
|
|
}
|
|
|
|
if(!_offsetMap.ContainsKey(trk.point))
|
|
_offsetMap.Add(trk.point, trk.startLba);
|
|
|
|
switch(trk.mode)
|
|
{
|
|
case TrackMode.Mode1:
|
|
case TrackMode.Mode2F1:
|
|
case TrackMode.Mode2F1Alt:
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSync))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSync);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorHeader))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorHeader);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSubHeader))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSubHeader);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorEcc))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEcc);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorEccP))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEccP);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorEccQ))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEccQ);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorEdc))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEdc);
|
|
|
|
if(_imageInfo.SectorSize < 2048)
|
|
_imageInfo.SectorSize = 2048;
|
|
|
|
break;
|
|
case TrackMode.Mode2:
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSync))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSync);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorHeader))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorHeader);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSubHeader))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSubHeader);
|
|
|
|
if(_imageInfo.SectorSize < 2336)
|
|
_imageInfo.SectorSize = 2336;
|
|
|
|
break;
|
|
case TrackMode.Mode2F2:
|
|
case TrackMode.Mode2F2Alt:
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSync))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSync);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorHeader))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorHeader);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSubHeader))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSubHeader);
|
|
|
|
if(!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorEdc))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorEdc);
|
|
|
|
if(_imageInfo.SectorSize < 2324)
|
|
_imageInfo.SectorSize = 2324;
|
|
|
|
break;
|
|
case TrackMode.DVD:
|
|
_imageInfo.SectorSize = 2048;
|
|
|
|
break;
|
|
default:
|
|
_imageInfo.SectorSize = 2352;
|
|
|
|
break;
|
|
}
|
|
|
|
if(trk.subMode != SubchannelMode.None &&
|
|
!_imageInfo.ReadableSectorTags.Contains(SectorTagType.CdSectorSubchannel))
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdSectorSubchannel);
|
|
}
|
|
|
|
AaruConsole.DebugWriteLine("Alcohol 120% plugin", "printing partition map");
|
|
|
|
foreach(Partition partition in Partitions)
|
|
{
|
|
AaruConsole.DebugWriteLine("Alcohol 120% plugin", "Partition sequence: {0}", partition.Sequence);
|
|
AaruConsole.DebugWriteLine("Alcohol 120% plugin", "\tPartition name: {0}", partition.Name);
|
|
|
|
AaruConsole.DebugWriteLine("Alcohol 120% plugin", "\tPartition description: {0}",
|
|
partition.Description);
|
|
|
|
AaruConsole.DebugWriteLine("Alcohol 120% plugin", "\tPartition type: {0}", partition.Type);
|
|
AaruConsole.DebugWriteLine("Alcohol 120% plugin", "\tPartition starting sector: {0}", partition.Start);
|
|
AaruConsole.DebugWriteLine("Alcohol 120% plugin", "\tPartition sectors: {0}", partition.Length);
|
|
AaruConsole.DebugWriteLine("Alcohol 120% plugin", "\tPartition starting offset: {0}", partition.Offset);
|
|
AaruConsole.DebugWriteLine("Alcohol 120% plugin", "\tPartition size in bytes: {0}", partition.Size);
|
|
}
|
|
|
|
_imageInfo.Application = "Alcohol 120%";
|
|
|
|
AaruConsole.DebugWriteLine("Alcohol 120% plugin", "Data filename: {0}", alcFile);
|
|
|
|
var filtersList = new FiltersList();
|
|
_alcImage = filtersList.GetFilter(alcFile);
|
|
|
|
if(_alcImage == null)
|
|
throw new Exception("Cannot open data file");
|
|
|
|
_imageInfo.ImageSize = (ulong)_alcImage.GetDataForkLength();
|
|
_imageInfo.CreationTime = _alcImage.GetCreationTime();
|
|
_imageInfo.LastModificationTime = _alcImage.GetLastWriteTime();
|
|
_imageInfo.XmlMediaType = XmlMediaType.OpticalDisc;
|
|
_imageInfo.Version = $"{_header.version[0]}.{_header.version[1]}";
|
|
|
|
if(!_isDvd)
|
|
{
|
|
AaruConsole.DebugWriteLine("Alcohol 120% plugin", "Rebuilding TOC");
|
|
byte firstSession = byte.MaxValue;
|
|
byte lastSession = 0;
|
|
var tocMs = new MemoryStream();
|
|
|
|
tocMs.Write(new byte[]
|
|
{
|
|
0, 0
|
|
}, 0, 2); // Reserved for TOC session numbers
|
|
|
|
foreach(KeyValuePair<int, Dictionary<int, Track>> sessionToc in _alcToc)
|
|
{
|
|
if(sessionToc.Key < firstSession)
|
|
firstSession = (byte)sessionToc.Key;
|
|
|
|
if(sessionToc.Key > lastSession)
|
|
lastSession = (byte)sessionToc.Key;
|
|
|
|
foreach(Track sessionTrack in sessionToc.Value.Values)
|
|
{
|
|
tocMs.WriteByte((byte)sessionToc.Key);
|
|
tocMs.WriteByte(sessionTrack.adrCtl);
|
|
tocMs.WriteByte(sessionTrack.tno);
|
|
tocMs.WriteByte(sessionTrack.point);
|
|
tocMs.WriteByte(sessionTrack.min);
|
|
tocMs.WriteByte(sessionTrack.sec);
|
|
tocMs.WriteByte(sessionTrack.frame);
|
|
tocMs.WriteByte(sessionTrack.zero);
|
|
tocMs.WriteByte(sessionTrack.pmin);
|
|
tocMs.WriteByte(sessionTrack.psec);
|
|
tocMs.WriteByte(sessionTrack.pframe);
|
|
}
|
|
}
|
|
|
|
_fullToc = tocMs.ToArray();
|
|
_fullToc[0] = firstSession;
|
|
_fullToc[1] = lastSession;
|
|
|
|
_imageInfo.ReadableMediaTags.Add(MediaTagType.CD_FullTOC);
|
|
_imageInfo.ReadableSectorTags.Add(SectorTagType.CdTrackFlags);
|
|
}
|
|
|
|
if(_imageInfo.MediaType == MediaType.XGD2)
|
|
if(_imageInfo.Sectors == 25063 || // Locked (or non compatible drive)
|
|
_imageInfo.Sectors == 4229664 || // Xtreme unlock
|
|
_imageInfo.Sectors == 4246304) // Wxripper unlock
|
|
_imageInfo.MediaType = MediaType.XGD3;
|
|
|
|
AaruConsole.VerboseWriteLine("Alcohol 120% image describes a disc of type {0}", _imageInfo.MediaType);
|
|
|
|
if(oldIncorrectImage)
|
|
AaruConsole.
|
|
WriteLine("Incorrect Alcohol 120% image created by an old version of Aaru. Convert image to correct it.");
|
|
|
|
return true;
|
|
}
|
|
|
|
public byte[] ReadDiskTag(MediaTagType tag)
|
|
{
|
|
switch(tag)
|
|
{
|
|
case MediaTagType.DVD_BCA:
|
|
{
|
|
if(_bca != null)
|
|
return (byte[])_bca.Clone();
|
|
|
|
throw new FeatureNotPresentImageException("Image does not contain BCA information.");
|
|
}
|
|
|
|
case MediaTagType.DVD_PFI:
|
|
{
|
|
if(_pfi != null)
|
|
return (byte[])_pfi.Clone();
|
|
|
|
throw new FeatureNotPresentImageException("Image does not contain PFI.");
|
|
}
|
|
|
|
case MediaTagType.DVD_DMI:
|
|
{
|
|
if(_dmi != null)
|
|
return (byte[])_dmi.Clone();
|
|
|
|
throw new FeatureNotPresentImageException("Image does not contain DMI.");
|
|
}
|
|
|
|
case MediaTagType.CD_FullTOC:
|
|
{
|
|
if(_fullToc != null)
|
|
return (byte[])_fullToc.Clone();
|
|
|
|
throw new FeatureNotPresentImageException("Image does not contain TOC information.");
|
|
}
|
|
|
|
default:
|
|
throw new FeatureSupportedButNotImplementedImageException("Feature not supported by image format");
|
|
}
|
|
}
|
|
|
|
public byte[] ReadSector(ulong sectorAddress) => ReadSectors(sectorAddress, 1);
|
|
|
|
public byte[] ReadSectorTag(ulong sectorAddress, SectorTagType tag) => ReadSectorsTag(sectorAddress, 1, tag);
|
|
|
|
public byte[] ReadSector(ulong sectorAddress, uint track) => ReadSectors(sectorAddress, 1, track);
|
|
|
|
public byte[] ReadSectorTag(ulong sectorAddress, uint track, SectorTagType tag) =>
|
|
ReadSectorsTag(sectorAddress, 1, track, tag);
|
|
|
|
public byte[] ReadSectors(ulong sectorAddress, uint length)
|
|
{
|
|
foreach(KeyValuePair<uint, ulong> kvp in _offsetMap)
|
|
if(sectorAddress >= kvp.Value)
|
|
foreach(Track track in _alcTracks.Values)
|
|
{
|
|
if(track.point != kvp.Key ||
|
|
!_alcTrackExtras.TryGetValue(track.point, out TrackExtra extra))
|
|
continue;
|
|
|
|
if(sectorAddress - kvp.Value < extra.sectors)
|
|
return ReadSectors(sectorAddress - kvp.Value, length, kvp.Key);
|
|
}
|
|
|
|
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
|
|
}
|
|
|
|
public byte[] ReadSectorsTag(ulong sectorAddress, uint length, SectorTagType tag)
|
|
{
|
|
foreach(KeyValuePair<uint, ulong> kvp in _offsetMap)
|
|
if(sectorAddress >= kvp.Value)
|
|
foreach(Track track in _alcTracks.Values)
|
|
{
|
|
if(track.point != kvp.Key ||
|
|
!_alcTrackExtras.TryGetValue(track.point, out TrackExtra extra))
|
|
continue;
|
|
|
|
if(sectorAddress - kvp.Value < extra.sectors)
|
|
return ReadSectorsTag(sectorAddress - kvp.Value, length, kvp.Key, tag);
|
|
}
|
|
|
|
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
|
|
}
|
|
|
|
public byte[] ReadSectors(ulong sectorAddress, uint length, uint track)
|
|
{
|
|
if(!_alcTracks.TryGetValue((int)track, out Track alcTrack) ||
|
|
!_alcTrackExtras.TryGetValue((int)track, out TrackExtra alcExtra))
|
|
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
|
|
|
|
if(length + sectorAddress > alcExtra.sectors)
|
|
throw new ArgumentOutOfRangeException(nameof(length),
|
|
$"Requested more sectors ({length + sectorAddress}) than present in track ({alcExtra.sectors}), won't cross tracks");
|
|
|
|
uint sectorOffset;
|
|
uint sectorSize;
|
|
uint sectorSkip;
|
|
bool mode2 = false;
|
|
|
|
switch(alcTrack.mode)
|
|
{
|
|
case TrackMode.Mode1:
|
|
{
|
|
sectorOffset = 16;
|
|
sectorSize = 2048;
|
|
sectorSkip = 288;
|
|
|
|
break;
|
|
}
|
|
|
|
case TrackMode.Mode2:
|
|
case TrackMode.Mode2F1:
|
|
case TrackMode.Mode2F1Alt:
|
|
case TrackMode.Mode2F2:
|
|
case TrackMode.Mode2F2Alt:
|
|
{
|
|
mode2 = true;
|
|
sectorOffset = 0;
|
|
sectorSize = 2352;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
|
|
case TrackMode.Audio:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 2352;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
|
|
case TrackMode.DVD:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 2048;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
|
|
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
|
|
}
|
|
|
|
switch(alcTrack.subMode)
|
|
{
|
|
case SubchannelMode.None:
|
|
sectorSkip += 0;
|
|
|
|
break;
|
|
case SubchannelMode.Interleaved:
|
|
sectorSkip += 96;
|
|
|
|
break;
|
|
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported subchannel type");
|
|
}
|
|
|
|
byte[] buffer = new byte[sectorSize * length];
|
|
|
|
if(alcTrack.point == 1 &&
|
|
alcExtra.pregap > 150)
|
|
{
|
|
if(sectorAddress + 150 < alcExtra.pregap)
|
|
return buffer;
|
|
|
|
sectorAddress -= alcExtra.pregap - 150;
|
|
}
|
|
|
|
_imageStream = _alcImage.GetDataForkStream();
|
|
var br = new BinaryReader(_imageStream);
|
|
|
|
br.BaseStream.
|
|
Seek((long)alcTrack.startOffset + (long)(sectorAddress * (sectorOffset + sectorSize + sectorSkip)),
|
|
SeekOrigin.Begin);
|
|
|
|
if(mode2)
|
|
{
|
|
var mode2Ms = new MemoryStream((int)(sectorSize * length));
|
|
|
|
buffer = br.ReadBytes((int)((sectorSize + sectorSkip) * length));
|
|
|
|
for(int i = 0; i < length; i++)
|
|
{
|
|
byte[] sector = new byte[sectorSize];
|
|
Array.Copy(buffer, (sectorSize + sectorSkip) * i, sector, 0, sectorSize);
|
|
sector = Sector.GetUserDataFromMode2(sector);
|
|
mode2Ms.Write(sector, 0, sector.Length);
|
|
}
|
|
|
|
buffer = mode2Ms.ToArray();
|
|
}
|
|
else if(sectorOffset == 0 &&
|
|
sectorSkip == 0)
|
|
buffer = br.ReadBytes((int)(sectorSize * length));
|
|
else
|
|
for(int i = 0; i < length; i++)
|
|
{
|
|
br.BaseStream.Seek(sectorOffset, SeekOrigin.Current);
|
|
byte[] sector = br.ReadBytes((int)sectorSize);
|
|
br.BaseStream.Seek(sectorSkip, SeekOrigin.Current);
|
|
Array.Copy(sector, 0, buffer, i * sectorSize, sectorSize);
|
|
}
|
|
|
|
return buffer;
|
|
}
|
|
|
|
public byte[] ReadSectorsTag(ulong sectorAddress, uint length, uint track, SectorTagType tag)
|
|
{
|
|
if(tag == SectorTagType.CdTrackFlags)
|
|
track = (uint)sectorAddress;
|
|
|
|
if(!_alcTracks.TryGetValue((int)track, out Track alcTrack) ||
|
|
!_alcTrackExtras.TryGetValue((int)track, out TrackExtra alcExtra))
|
|
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
|
|
|
|
if(length + sectorAddress > alcExtra.sectors)
|
|
throw new ArgumentOutOfRangeException(nameof(length),
|
|
$"Requested more sectors ({length}) than present in track ({alcExtra.sectors}), won't cross tracks");
|
|
|
|
uint sectorOffset;
|
|
uint sectorSize;
|
|
uint sectorSkip;
|
|
|
|
if(alcTrack.mode == TrackMode.DVD)
|
|
throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdSectorEcc:
|
|
case SectorTagType.CdSectorEccP:
|
|
case SectorTagType.CdSectorEccQ:
|
|
case SectorTagType.CdSectorEdc:
|
|
case SectorTagType.CdSectorHeader:
|
|
case SectorTagType.CdSectorSubchannel:
|
|
case SectorTagType.CdSectorSubHeader:
|
|
case SectorTagType.CdSectorSync: break;
|
|
case SectorTagType.CdTrackFlags:
|
|
return new[]
|
|
{
|
|
(byte)(alcTrack.adrCtl & 0x0F)
|
|
};
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
switch(alcTrack.mode)
|
|
{
|
|
case TrackMode.Mode1:
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdSectorSync:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 12;
|
|
sectorSkip = 2340;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorHeader:
|
|
{
|
|
sectorOffset = 12;
|
|
sectorSize = 4;
|
|
sectorSkip = 2336;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorSubHeader:
|
|
throw new ArgumentException("Unsupported tag requested for this track", nameof(tag));
|
|
case SectorTagType.CdSectorEcc:
|
|
{
|
|
sectorOffset = 2076;
|
|
sectorSize = 276;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorEccP:
|
|
{
|
|
sectorOffset = 2076;
|
|
sectorSize = 172;
|
|
sectorSkip = 104;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorEccQ:
|
|
{
|
|
sectorOffset = 2248;
|
|
sectorSize = 104;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorEdc:
|
|
{
|
|
sectorOffset = 2064;
|
|
sectorSize = 4;
|
|
sectorSkip = 284;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorSubchannel:
|
|
{
|
|
switch(alcTrack.subMode)
|
|
{
|
|
case SubchannelMode.Interleaved:
|
|
|
|
sectorOffset = 2352;
|
|
sectorSize = 96;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
case TrackMode.Mode2:
|
|
{
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdSectorSync:
|
|
case SectorTagType.CdSectorHeader:
|
|
case SectorTagType.CdSectorEcc:
|
|
case SectorTagType.CdSectorEccP:
|
|
case SectorTagType.CdSectorEccQ:
|
|
throw new ArgumentException("Unsupported tag requested for this track", nameof(tag));
|
|
case SectorTagType.CdSectorSubHeader:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 8;
|
|
sectorSkip = 2328;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorEdc:
|
|
{
|
|
sectorOffset = 2332;
|
|
sectorSize = 4;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorSubchannel:
|
|
{
|
|
switch(alcTrack.subMode)
|
|
{
|
|
case SubchannelMode.Interleaved:
|
|
|
|
sectorOffset = 2352;
|
|
sectorSize = 96;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case TrackMode.Mode2F1:
|
|
case TrackMode.Mode2F1Alt:
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdSectorSync:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 12;
|
|
sectorSkip = 2340;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorHeader:
|
|
{
|
|
sectorOffset = 12;
|
|
sectorSize = 4;
|
|
sectorSkip = 2336;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorSubHeader:
|
|
{
|
|
sectorOffset = 16;
|
|
sectorSize = 8;
|
|
sectorSkip = 2328;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorEcc:
|
|
{
|
|
sectorOffset = 2076;
|
|
sectorSize = 276;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorEccP:
|
|
{
|
|
sectorOffset = 2076;
|
|
sectorSize = 172;
|
|
sectorSkip = 104;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorEccQ:
|
|
{
|
|
sectorOffset = 2248;
|
|
sectorSize = 104;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorEdc:
|
|
{
|
|
sectorOffset = 2072;
|
|
sectorSize = 4;
|
|
sectorSkip = 276;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorSubchannel:
|
|
{
|
|
switch(alcTrack.subMode)
|
|
{
|
|
case SubchannelMode.Interleaved:
|
|
|
|
sectorOffset = 2352;
|
|
sectorSize = 96;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
case TrackMode.Mode2F2:
|
|
case TrackMode.Mode2F2Alt:
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdSectorSync:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = 12;
|
|
sectorSkip = 2340;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorHeader:
|
|
{
|
|
sectorOffset = 12;
|
|
sectorSize = 4;
|
|
sectorSkip = 2336;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorSubHeader:
|
|
{
|
|
sectorOffset = 16;
|
|
sectorSize = 8;
|
|
sectorSkip = 2328;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorEdc:
|
|
{
|
|
sectorOffset = 2348;
|
|
sectorSize = 4;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
|
|
case SectorTagType.CdSectorSubchannel:
|
|
{
|
|
switch(alcTrack.subMode)
|
|
{
|
|
case SubchannelMode.Interleaved:
|
|
|
|
sectorOffset = 2352;
|
|
sectorSize = 96;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
case TrackMode.Audio:
|
|
{
|
|
switch(tag)
|
|
{
|
|
case SectorTagType.CdSectorSubchannel:
|
|
{
|
|
switch(alcTrack.subMode)
|
|
{
|
|
case SubchannelMode.Interleaved:
|
|
|
|
sectorOffset = 2352;
|
|
sectorSize = 96;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default: throw new ArgumentException("Unsupported tag requested", nameof(tag));
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
|
|
}
|
|
|
|
switch(alcTrack.subMode)
|
|
{
|
|
case SubchannelMode.None:
|
|
sectorSkip += 0;
|
|
|
|
break;
|
|
case SubchannelMode.Interleaved:
|
|
if(tag != SectorTagType.CdSectorSubchannel)
|
|
sectorSkip += 96;
|
|
|
|
break;
|
|
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported subchannel type");
|
|
}
|
|
|
|
byte[] buffer = new byte[sectorSize * length];
|
|
|
|
if(alcTrack.point == 1 &&
|
|
alcExtra.pregap > 150)
|
|
{
|
|
if(sectorAddress + 150 < alcExtra.pregap)
|
|
return buffer;
|
|
|
|
sectorAddress -= alcExtra.pregap - 150;
|
|
}
|
|
|
|
_imageStream = _alcImage.GetDataForkStream();
|
|
var br = new BinaryReader(_imageStream);
|
|
|
|
br.BaseStream.
|
|
Seek((long)alcTrack.startOffset + (long)(sectorAddress * (sectorOffset + sectorSize + sectorSkip)),
|
|
SeekOrigin.Begin);
|
|
|
|
if(sectorOffset == 0 &&
|
|
sectorSkip == 0)
|
|
buffer = br.ReadBytes((int)(sectorSize * length));
|
|
else
|
|
for(int i = 0; i < length; i++)
|
|
{
|
|
br.BaseStream.Seek(sectorOffset, SeekOrigin.Current);
|
|
byte[] sector = br.ReadBytes((int)sectorSize);
|
|
br.BaseStream.Seek(sectorSkip, SeekOrigin.Current);
|
|
Array.Copy(sector, 0, buffer, i * sectorSize, sectorSize);
|
|
}
|
|
|
|
return buffer;
|
|
}
|
|
|
|
public byte[] ReadSectorLong(ulong sectorAddress) => ReadSectorsLong(sectorAddress, 1);
|
|
|
|
public byte[] ReadSectorLong(ulong sectorAddress, uint track) => ReadSectorsLong(sectorAddress, 1, track);
|
|
|
|
public byte[] ReadSectorsLong(ulong sectorAddress, uint length)
|
|
{
|
|
foreach(KeyValuePair<uint, ulong> kvp in _offsetMap)
|
|
if(sectorAddress >= kvp.Value)
|
|
foreach(Track alcTrack in _alcTracks.Values)
|
|
{
|
|
if(alcTrack.point != kvp.Key ||
|
|
!_alcTrackExtras.TryGetValue(alcTrack.point, out TrackExtra alcExtra))
|
|
continue;
|
|
|
|
if(sectorAddress - kvp.Value < alcExtra.sectors)
|
|
return ReadSectorsLong(sectorAddress - kvp.Value, length, kvp.Key);
|
|
}
|
|
|
|
throw new ArgumentOutOfRangeException(nameof(sectorAddress), "Sector address not found");
|
|
}
|
|
|
|
public byte[] ReadSectorsLong(ulong sectorAddress, uint length, uint track)
|
|
{
|
|
if(!_alcTracks.TryGetValue((int)track, out Track alcTrack) ||
|
|
!_alcTrackExtras.TryGetValue((int)track, out TrackExtra alcExtra))
|
|
throw new ArgumentOutOfRangeException(nameof(track), "Track does not exist in disc image");
|
|
|
|
if(length + sectorAddress > alcExtra.sectors)
|
|
throw new ArgumentOutOfRangeException(nameof(length),
|
|
$"Requested more sectors ({length}) than present in track ({alcExtra.sectors}), won't cross tracks");
|
|
|
|
uint sectorOffset;
|
|
uint sectorSize;
|
|
uint sectorSkip;
|
|
|
|
switch(alcTrack.mode)
|
|
{
|
|
case TrackMode.Mode1:
|
|
case TrackMode.Mode2:
|
|
case TrackMode.Mode2F1:
|
|
case TrackMode.Mode2F1Alt:
|
|
case TrackMode.Mode2F2:
|
|
case TrackMode.Mode2F2Alt:
|
|
case TrackMode.Audio:
|
|
case TrackMode.DVD:
|
|
{
|
|
sectorOffset = 0;
|
|
sectorSize = alcTrack.sectorSize;
|
|
sectorSkip = 0;
|
|
|
|
break;
|
|
}
|
|
|
|
default: throw new FeatureSupportedButNotImplementedImageException("Unsupported track type");
|
|
}
|
|
|
|
if(alcTrack.subMode == SubchannelMode.Interleaved)
|
|
sectorSkip = 96;
|
|
|
|
byte[] buffer = new byte[sectorSize * length];
|
|
|
|
if(alcTrack.point == 1 &&
|
|
alcExtra.pregap > 150)
|
|
{
|
|
if(sectorAddress + 150 < alcExtra.pregap)
|
|
return buffer;
|
|
|
|
sectorAddress -= alcExtra.pregap - 150;
|
|
}
|
|
|
|
_imageStream = _alcImage.GetDataForkStream();
|
|
var br = new BinaryReader(_imageStream);
|
|
|
|
br.BaseStream.
|
|
Seek((long)alcTrack.startOffset + (long)(sectorAddress * (sectorOffset + sectorSize + sectorSkip)),
|
|
SeekOrigin.Begin);
|
|
|
|
if(sectorOffset == 0 &&
|
|
sectorSkip == 0)
|
|
buffer = br.ReadBytes((int)(sectorSize * length));
|
|
else
|
|
for(int i = 0; i < length; i++)
|
|
{
|
|
br.BaseStream.Seek(sectorOffset, SeekOrigin.Current);
|
|
byte[] sector = br.ReadBytes((int)sectorSize);
|
|
br.BaseStream.Seek(sectorSkip, SeekOrigin.Current);
|
|
|
|
Array.Copy(sector, 0, buffer, i * sectorSize, sectorSize);
|
|
}
|
|
|
|
return buffer;
|
|
}
|
|
|
|
public List<CommonTypes.Structs.Track> GetSessionTracks(CommonTypes.Structs.Session session)
|
|
{
|
|
if(Sessions.Contains(session))
|
|
return GetSessionTracks(session.SessionSequence);
|
|
|
|
throw new ImageNotSupportedException("Session does not exist in disc image");
|
|
}
|
|
|
|
public List<CommonTypes.Structs.Track> GetSessionTracks(ushort session)
|
|
{
|
|
List<CommonTypes.Structs.Track> tracks = new List<CommonTypes.Structs.Track>();
|
|
|
|
foreach(Track alcTrack in _alcTracks.Values)
|
|
{
|
|
ushort sessionNo =
|
|
(from ses in Sessions where alcTrack.point >= ses.StartTrack || alcTrack.point <= ses.EndTrack
|
|
select ses.SessionSequence).FirstOrDefault();
|
|
|
|
if(!_alcTrackExtras.TryGetValue(alcTrack.point, out TrackExtra alcExtra) ||
|
|
session != sessionNo)
|
|
continue;
|
|
|
|
var aaruTrack = new CommonTypes.Structs.Track
|
|
{
|
|
TrackStartSector = alcTrack.startLba,
|
|
TrackEndSector = alcExtra.sectors - 1,
|
|
TrackPregap = alcExtra.pregap,
|
|
TrackSession = sessionNo,
|
|
TrackSequence = alcTrack.point,
|
|
TrackType = TrackModeToTrackType(alcTrack.mode),
|
|
TrackFilter = _alcImage,
|
|
TrackFile = _alcImage.GetFilename(),
|
|
TrackFileOffset = alcTrack.startOffset,
|
|
TrackFileType = "BINARY",
|
|
TrackRawBytesPerSector = alcTrack.sectorSize,
|
|
TrackBytesPerSector = TrackModeToCookedBytesPerSector(alcTrack.mode)
|
|
};
|
|
|
|
if(alcExtra.pregap > 0)
|
|
aaruTrack.Indexes.Add(0, (int)(alcTrack.startLba - alcExtra.pregap));
|
|
|
|
aaruTrack.Indexes.Add(1, (int)alcTrack.startLba);
|
|
|
|
switch(alcTrack.subMode)
|
|
{
|
|
case SubchannelMode.Interleaved:
|
|
aaruTrack.TrackSubchannelFilter = _alcImage;
|
|
aaruTrack.TrackSubchannelFile = _alcImage.GetFilename();
|
|
aaruTrack.TrackSubchannelOffset = alcTrack.startOffset;
|
|
aaruTrack.TrackSubchannelType = TrackSubchannelType.RawInterleaved;
|
|
|
|
break;
|
|
case SubchannelMode.None:
|
|
aaruTrack.TrackSubchannelType = TrackSubchannelType.None;
|
|
|
|
break;
|
|
}
|
|
|
|
tracks.Add(aaruTrack);
|
|
}
|
|
|
|
return tracks;
|
|
}
|
|
}
|
|
} |